Atomic number of Mn, Fe, Co and Ni i are 25, 26, 27 and 28 respectively. Which of the following outer orbital octahedral ’complexes have same number of unpaired electrons? [NCERT Exemplar] (a) [MnCl6]3- (b) [FeF6]3- (c) [CoF6]3- (d) [Ni(NH3)6]2+

Atomic number of Mn, Fe, Co and Ni i are 25, 26, 27 and 28 respectivel

1.	Atomic number of Mn, Fe, Co and Ni i are 25, 26, 27 and 28 respectively. Which of the following outer orbital octahedral ’complexes have same number of unpaired electrons? [NCERT Exemplar] (a) [MnCl6]3- (b) [FeF6]3- (c) [CoF6]3- (d) [Ni(NH3)6]2+
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